target/linux/generic/files/drivers/net/phy/rtl8366rb.c

   1 /*
   2  * Platform driver for the Realtek RTL8366S ethernet switch
   3  *
   4  * Copyright (C) 2009-2010 Gabor Juhos <juhosg@openwrt.org>
   5  * Copyright (C) 2010 Antti Seppälä <a.seppala@gmail.com>
   6  *
   7  * This program is free software; you can redistribute it and/or modify it
   8  * under the terms of the GNU General Public License version 2 as published
   9  * by the Free Software Foundation.
  10  */
  11
  12 #include <linux/kernel.h>
  13 #include <linux/module.h>
  14 #include <linux/init.h>
  15 #include <linux/platform_device.h>
  16 #include <linux/delay.h>
  17 #include <linux/skbuff.h>
  18 #include <linux/switch.h>
  19 #include <linux/rtl8366rb.h>
  20
  21 #include "rtl8366_smi.h"
  22
  23 #ifdef CONFIG_RTL8366S_PHY_DEBUG_FS
  24 #include <linux/debugfs.h>
  25 #endif
  26
  27 #define RTL8366S_DRIVER_DESC    "Realtek RTL8366RB ethernet switch driver"
  28 #define RTL8366S_DRIVER_VER     "0.2.2"
  29
  30 #define RTL8366S_PHY_NO_MAX                 4
  31 #define RTL8366S_PHY_PAGE_MAX               7
  32 #define RTL8366S_PHY_ADDR_MAX               31
  33
  34 #define RTL8366_CHIP_GLOBAL_CTRL_REG        0x0000
  35 #define RTL8366_CHIP_CTRL_VLAN              (1 << 13)
  36 #define RTL8366_CHIP_CTRL_VLAN_4KTB         (1 << 14)
  37
  38 /* Switch Global Configuration register */
  39 #define RTL8366_SGCR                    0x0000
  40 #define RTL8366_SGCR_EN_BC_STORM_CTRL   BIT(0)
  41 #define RTL8366_SGCR_MAX_LENGTH(_x)     (_x << 4)
  42 #define RTL8366_SGCR_MAX_LENGTH_MASK    RTL8366_SGCR_MAX_LENGTH(0x3)
  43 #define RTL8366_SGCR_MAX_LENGTH_1522    RTL8366_SGCR_MAX_LENGTH(0x0)
  44 #define RTL8366_SGCR_MAX_LENGTH_1536    RTL8366_SGCR_MAX_LENGTH(0x1)
  45 #define RTL8366_SGCR_MAX_LENGTH_1552    RTL8366_SGCR_MAX_LENGTH(0x2)
  46 #define RTL8366_SGCR_MAX_LENGTH_9216    RTL8366_SGCR_MAX_LENGTH(0x3)
  47
  48 /* Port Enable Control register */
  49 #define RTL8366_PECR                    0x0001
  50
  51 /* Switch Security Control registers */
  52 #define RTL8366_SSCR0                   0x0002
  53 #define RTL8366_SSCR1                   0x0003
  54 #define RTL8366_SSCR2                   0x0004
  55 #define RTL8366_SSCR2_DROP_UNKNOWN_DA   BIT(0)
  56
  57 #define RTL8366_RESET_CTRL_REG              0x0100
  58 #define RTL8366_CHIP_CTRL_RESET_HW          1
  59 #define RTL8366_CHIP_CTRL_RESET_SW          (1 << 1)
  60
  61 #define RTL8366S_CHIP_VERSION_CTRL_REG      0x050A
  62 #define RTL8366S_CHIP_VERSION_MASK          0xf
  63 #define RTL8366S_CHIP_ID_REG                0x0509
  64 #define RTL8366S_CHIP_ID_8366               0x5937
  65
  66 /* PHY registers control */
  67 #define RTL8366S_PHY_ACCESS_CTRL_REG        0x8000
  68 #define RTL8366S_PHY_ACCESS_DATA_REG        0x8002
  69
  70 #define RTL8366S_PHY_CTRL_READ              1
  71 #define RTL8366S_PHY_CTRL_WRITE             0
  72
  73 #define RTL8366S_PHY_REG_MASK               0x1f
  74 #define RTL8366S_PHY_PAGE_OFFSET            5
  75 #define RTL8366S_PHY_PAGE_MASK              (0xf << 5)
  76 #define RTL8366S_PHY_NO_OFFSET              9
  77 #define RTL8366S_PHY_NO_MASK                (0x1f << 9)
  78
  79 /* LED control registers */
  80 #define RTL8366_LED_BLINKRATE_REG           0x0430
  81 #define RTL8366_LED_BLINKRATE_BIT           0
  82 #define RTL8366_LED_BLINKRATE_MASK          0x0007
  83
  84 #define RTL8366_LED_CTRL_REG                0x0431
  85 #define RTL8366_LED_0_1_CTRL_REG            0x0432
  86 #define RTL8366_LED_2_3_CTRL_REG            0x0433
  87
  88 #define RTL8366S_MIB_COUNT                  33
  89 #define RTL8366S_GLOBAL_MIB_COUNT           1
  90 #define RTL8366S_MIB_COUNTER_PORT_OFFSET    0x0050
  91 #define RTL8366S_MIB_COUNTER_BASE           0x1000
  92 #define RTL8366S_MIB_CTRL_REG               0x13F0
  93 #define RTL8366S_MIB_CTRL_USER_MASK         0x0FFC
  94 #define RTL8366S_MIB_CTRL_BUSY_MASK         0x0001
  95 #define RTL8366S_MIB_CTRL_RESET_MASK        0x0001
  96
  97 #define RTL8366S_MIB_CTRL_GLOBAL_RESET_MASK 0x0004
  98 #define RTL8366S_MIB_CTRL_PORT_RESET_BIT    0x0003
  99 #define RTL8366S_MIB_CTRL_PORT_RESET_MASK   0x01FC
 100
 101
 102 #define RTL8366S_PORT_VLAN_CTRL_BASE        0x0063
 103 #define RTL8366S_PORT_VLAN_CTRL_REG(_p)  \
 104                 (RTL8366S_PORT_VLAN_CTRL_BASE + (_p) / 4)
 105 #define RTL8366S_PORT_VLAN_CTRL_MASK        0xf
 106 #define RTL8366S_PORT_VLAN_CTRL_SHIFT(_p)   (4 * ((_p) % 4))
 107
 108
 109 #define RTL8366S_VLAN_TABLE_READ_BASE       0x018C
 110 #define RTL8366S_VLAN_TABLE_WRITE_BASE      0x0185
 111
 112
 113 #define RTL8366S_TABLE_ACCESS_CTRL_REG      0x0180
 114 #define RTL8366S_TABLE_VLAN_READ_CTRL       0x0E01
 115 #define RTL8366S_TABLE_VLAN_WRITE_CTRL      0x0F01
 116
 117 #define RTL8366S_VLAN_MEMCONF_BASE          0x0020
 118
 119
 120 #define RTL8366S_PORT_LINK_STATUS_BASE      0x0014
 121 #define RTL8366S_PORT_STATUS_SPEED_MASK     0x0003
 122 #define RTL8366S_PORT_STATUS_DUPLEX_MASK    0x0004
 123 #define RTL8366S_PORT_STATUS_LINK_MASK      0x0010
 124 #define RTL8366S_PORT_STATUS_TXPAUSE_MASK   0x0020
 125 #define RTL8366S_PORT_STATUS_RXPAUSE_MASK   0x0040
 126 #define RTL8366S_PORT_STATUS_AN_MASK        0x0080
 127
 128
 129 #define RTL8366_PORT_NUM_CPU                5
 130 #define RTL8366_NUM_PORTS                   6
 131 #define RTL8366_NUM_VLANS                   16
 132 #define RTL8366_NUM_LEDGROUPS               4
 133 #define RTL8366_NUM_VIDS                    4096
 134 #define RTL8366S_PRIORITYMAX                7
 135 #define RTL8366S_FIDMAX                     7
 136
 137
 138 #define RTL8366_PORT_1                      (1 << 0) /* In userspace port 0 */
 139 #define RTL8366_PORT_2                      (1 << 1) /* In userspace port 1 */
 140 #define RTL8366_PORT_3                      (1 << 2) /* In userspace port 2 */
 141 #define RTL8366_PORT_4                      (1 << 3) /* In userspace port 3 */
 142 #define RTL8366_PORT_5                      (1 << 4) /* In userspace port 4 */
 143
 144 #define RTL8366_PORT_CPU                    (1 << 5) /* CPU port */
 145
 146 #define RTL8366_PORT_ALL                    (RTL8366_PORT_1 |       \
 147                                              RTL8366_PORT_2 |       \
 148                                              RTL8366_PORT_3 |       \
 149                                              RTL8366_PORT_4 |       \
 150                                              RTL8366_PORT_5 |       \
 151                                              RTL8366_PORT_CPU)
 152
 153 #define RTL8366_PORT_ALL_BUT_CPU            (RTL8366_PORT_1 |       \
 154                                              RTL8366_PORT_2 |       \
 155                                              RTL8366_PORT_3 |       \
 156                                              RTL8366_PORT_4 |       \
 157                                              RTL8366_PORT_5)
 158
 159 #define RTL8366_PORT_ALL_EXTERNAL           (RTL8366_PORT_1 |       \
 160                                              RTL8366_PORT_2 |       \
 161                                              RTL8366_PORT_3 |       \
 162                                              RTL8366_PORT_4)
 163
 164 #define RTL8366_PORT_ALL_INTERNAL            RTL8366_PORT_CPU
 165
 166 struct rtl8366rb {
 167         struct device           *parent;
 168         struct rtl8366_smi      smi;
 169         struct switch_dev       dev;
 170         char                    buf[4096];
 171 #ifdef CONFIG_RTL8366S_PHY_DEBUG_FS
 172         struct dentry           *debugfs_root;
 173 #endif
 174 };
 175
 176 struct rtl8366rb_vlan_mc {
 177         u16     reserved2:1;
 178         u16     priority:3;
 179         u16     vid:12;
 180         u16     untag:8;
 181         u16     member:8;
 182         u16     stag_mbr:8;
 183         u16     stag_idx:3;
 184         u16     reserved1:2;
 185         u16     fid:3;
 186 };
 187
 188 struct rtl8366rb_vlan_4k {
 189         u16     reserved1:4;
 190         u16     vid:12;
 191         u16     untag:8;
 192         u16     member:8;
 193         u16     reserved2:13;
 194         u16     fid:3;
 195 };
 196
 197 #ifdef CONFIG_RTL8366S_PHY_DEBUG_FS
 198 u16 gl_dbg_reg;
 199 #endif
 200
 201 struct mib_counter {
 202         unsigned        offset;
 203         unsigned        length;
 204         const char      *name;
 205 };
 206
 207 static struct mib_counter rtl8366rb_mib_counters[RTL8366S_MIB_COUNT] = {
 208         {  0, 4, "IfInOctets"                           },
 209         {  4, 4, "EtherStatsOctets"                     },
 210         {  8, 2, "EtherStatsUnderSizePkts"              },
 211         { 10, 2, "EtherFragments"                       },
 212         { 12, 2, "EtherStatsPkts64Octets"               },
 213         { 14, 2, "EtherStatsPkts65to127Octets"          },
 214         { 16, 2, "EtherStatsPkts128to255Octets"         },
 215         { 18, 2, "EtherStatsPkts256to511Octets"         },
 216         { 20, 2, "EtherStatsPkts512to1023Octets"        },
 217         { 22, 2, "EtherStatsPkts1024to1518Octets"       },
 218         { 24, 2, "EtherOversizeStats"                   },
 219         { 26, 2, "EtherStatsJabbers"                    },
 220         { 28, 2, "IfInUcastPkts"                        },
 221         { 30, 2, "EtherStatsMulticastPkts"              },
 222         { 32, 2, "EtherStatsBroadcastPkts"              },
 223         { 34, 2, "EtherStatsDropEvents"                 },
 224         { 36, 2, "Dot3StatsFCSErrors"                   },
 225         { 38, 2, "Dot3StatsSymbolErrors"                },
 226         { 40, 2, "Dot3InPauseFrames"                    },
 227         { 42, 2, "Dot3ControlInUnknownOpcodes"          },
 228         { 44, 4, "IfOutOctets"                          },
 229         { 48, 2, "Dot3StatsSingleCollisionFrames"       },
 230         { 50, 2, "Dot3StatMultipleCollisionFrames"      },
 231         { 52, 2, "Dot3sDeferredTransmissions"           },
 232         { 54, 2, "Dot3StatsLateCollisions"              },
 233         { 56, 2, "EtherStatsCollisions"                 },
 234         { 58, 2, "Dot3StatsExcessiveCollisions"         },
 235         { 60, 2, "Dot3OutPauseFrames"                   },
 236         { 62, 2, "Dot1dBasePortDelayExceededDiscards"   },
 237         { 64, 2, "Dot1dTpPortInDiscards"                },
 238         { 66, 2, "IfOutUcastPkts"                       },
 239         { 68, 2, "IfOutMulticastPkts"                   },
 240         { 70, 2, "IfOutBroadcastPkts"                   },
 241 };
 242
 243 #define REG_WR(_smi, _reg, _val)                                        \
 244         do {                                                            \
 245                 err = rtl8366_smi_write_reg(_smi, _reg, _val);          \
 246                 if (err)                                                \
 247                         return err;                                     \
 248         } while (0)
 249
 250 #define REG_RMW(_smi, _reg, _mask, _val)                                \
 251         do {                                                            \
 252                 err = rtl8366_smi_rmwr(_smi, _reg, _mask, _val);        \
 253                 if (err)                                                \
 254                         return err;                                     \
 255         } while (0)
 256
 257 static inline struct rtl8366rb *smi_to_rtl8366rb(struct rtl8366_smi *smi)
 258 {
 259         return container_of(smi, struct rtl8366rb, smi);
 260 }
 261
 262 static inline struct rtl8366rb *sw_to_rtl8366rb(struct switch_dev *sw)
 263 {
 264         return container_of(sw, struct rtl8366rb, dev);
 265 }
 266
 267 static inline struct rtl8366_smi *sw_to_rtl8366_smi(struct switch_dev *sw)
 268 {
 269         struct rtl8366rb *rtl = sw_to_rtl8366rb(sw);
 270         return &rtl->smi;
 271 }
 272
 273 static int rtl8366rb_reset_chip(struct rtl8366_smi *smi)
 274 {
 275         int timeout = 10;
 276         u32 data;
 277
 278         rtl8366_smi_write_reg(smi, RTL8366_RESET_CTRL_REG,
 279                               RTL8366_CHIP_CTRL_RESET_HW);
 280         do {
 281                 msleep(1);
 282                 if (rtl8366_smi_read_reg(smi, RTL8366_RESET_CTRL_REG, &data))
 283                         return -EIO;
 284
 285                 if (!(data & RTL8366_CHIP_CTRL_RESET_HW))
 286                         break;
 287         } while (--timeout);
 288
 289         if (!timeout) {
 290                 printk("Timeout waiting for the switch to reset\n");
 291                 return -EIO;
 292         }
 293
 294         return 0;
 295 }
 296
 297 static int rtl8366rb_hw_init(struct rtl8366_smi *smi)
 298 {
 299         int err;
 300
 301         /* set maximum packet length to 1536 bytes */
 302         REG_RMW(smi, RTL8366_SGCR, RTL8366_SGCR_MAX_LENGTH_MASK,
 303                 RTL8366_SGCR_MAX_LENGTH_1536);
 304
 305         /* enable all ports */
 306         REG_WR(smi, RTL8366_PECR, 0);
 307
 308         /* disable learning for all ports */
 309         REG_WR(smi, RTL8366_SSCR0, RTL8366_PORT_ALL);
 310
 311         /* disable auto ageing for all ports */
 312         REG_WR(smi, RTL8366_SSCR1, RTL8366_PORT_ALL);
 313
 314         /* don't drop packets whose DA has not been learned */
 315         REG_RMW(smi, RTL8366_SSCR2, RTL8366_SSCR2_DROP_UNKNOWN_DA, 0);
 316
 317         return 0;
 318 }
 319
 320 static int rtl8366rb_read_phy_reg(struct rtl8366_smi *smi,
 321                                  u32 phy_no, u32 page, u32 addr, u32 *data)
 322 {
 323         u32 reg;
 324         int ret;
 325
 326         if (phy_no > RTL8366S_PHY_NO_MAX)
 327                 return -EINVAL;
 328
 329         if (page > RTL8366S_PHY_PAGE_MAX)
 330                 return -EINVAL;
 331
 332         if (addr > RTL8366S_PHY_ADDR_MAX)
 333                 return -EINVAL;
 334
 335         ret = rtl8366_smi_write_reg(smi, RTL8366S_PHY_ACCESS_CTRL_REG,
 336                                     RTL8366S_PHY_CTRL_READ);
 337         if (ret)
 338                 return ret;
 339
 340         reg = 0x8000 | (1 << (phy_no + RTL8366S_PHY_NO_OFFSET)) |
 341               ((page << RTL8366S_PHY_PAGE_OFFSET) & RTL8366S_PHY_PAGE_MASK) |
 342               (addr & RTL8366S_PHY_REG_MASK);
 343
 344         ret = rtl8366_smi_write_reg(smi, reg, 0);
 345         if (ret)
 346                 return ret;
 347
 348         ret = rtl8366_smi_read_reg(smi, RTL8366S_PHY_ACCESS_DATA_REG, data);
 349         if (ret)
 350                 return ret;
 351
 352         return 0;
 353 }
 354
 355 static int rtl8366rb_write_phy_reg(struct rtl8366_smi *smi,
 356                                   u32 phy_no, u32 page, u32 addr, u32 data)
 357 {
 358         u32 reg;
 359         int ret;
 360
 361         if (phy_no > RTL8366S_PHY_NO_MAX)
 362                 return -EINVAL;
 363
 364         if (page > RTL8366S_PHY_PAGE_MAX)
 365                 return -EINVAL;
 366
 367         if (addr > RTL8366S_PHY_ADDR_MAX)
 368                 return -EINVAL;
 369
 370         ret = rtl8366_smi_write_reg(smi, RTL8366S_PHY_ACCESS_CTRL_REG,
 371                                     RTL8366S_PHY_CTRL_WRITE);
 372         if (ret)
 373                 return ret;
 374
 375         reg = 0x8000 | (1 << (phy_no + RTL8366S_PHY_NO_OFFSET)) |
 376               ((page << RTL8366S_PHY_PAGE_OFFSET) & RTL8366S_PHY_PAGE_MASK) |
 377               (addr & RTL8366S_PHY_REG_MASK);
 378
 379         ret = rtl8366_smi_write_reg(smi, reg, data);
 380         if (ret)
 381                 return ret;
 382
 383         return 0;
 384 }
 385
 386 static int rtl8366_get_mib_counter(struct rtl8366_smi *smi, int counter,
 387                                    int port, unsigned long long *val)
 388 {
 389         int i;
 390         int err;
 391         u32 addr, data;
 392         u64 mibvalue;
 393
 394         if (port > RTL8366_NUM_PORTS || counter >= RTL8366S_MIB_COUNT)
 395                 return -EINVAL;
 396
 397         addr = RTL8366S_MIB_COUNTER_BASE +
 398                RTL8366S_MIB_COUNTER_PORT_OFFSET * (port) +
 399                rtl8366rb_mib_counters[counter].offset;
 400
 401         /*
 402          * Writing access counter address first
 403          * then ASIC will prepare 64bits counter wait for being retrived
 404          */
 405         data = 0; /* writing data will be discard by ASIC */
 406         err = rtl8366_smi_write_reg(smi, addr, data);
 407         if (err)
 408                 return err;
 409
 410         /* read MIB control register */
 411         err =  rtl8366_smi_read_reg(smi, RTL8366S_MIB_CTRL_REG, &data);
 412         if (err)
 413                 return err;
 414
 415         if (data & RTL8366S_MIB_CTRL_BUSY_MASK)
 416                 return -EBUSY;
 417
 418         if (data & RTL8366S_MIB_CTRL_RESET_MASK)
 419                 return -EIO;
 420
 421         mibvalue = 0;
 422         for (i = rtl8366rb_mib_counters[counter].length; i > 0; i--) {
 423                 err = rtl8366_smi_read_reg(smi, addr + (i - 1), &data);
 424                 if (err)
 425                         return err;
 426
 427                 mibvalue = (mibvalue << 16) | (data & 0xFFFF);
 428         }
 429
 430         *val = mibvalue;
 431         return 0;
 432 }
 433
 434 static int rtl8366rb_get_vlan_4k(struct rtl8366_smi *smi, u32 vid,
 435                                  struct rtl8366_vlan_4k *vlan4k)
 436 {
 437         struct rtl8366rb_vlan_4k vlan4k_priv;
 438         int err;
 439         u32 data;
 440         u16 *tableaddr;
 441
 442         memset(vlan4k, '\0', sizeof(struct rtl8366_vlan_4k));
 443         vlan4k_priv.vid = vid;
 444
 445         if (vid >= RTL8366_NUM_VIDS)
 446                 return -EINVAL;
 447
 448         tableaddr = (u16 *)&vlan4k_priv;
 449
 450         /* write VID */
 451         data = *tableaddr;
 452         err = rtl8366_smi_write_reg(smi, RTL8366S_VLAN_TABLE_WRITE_BASE, data);
 453         if (err)
 454                 return err;
 455
 456         /* write table access control word */
 457         err = rtl8366_smi_write_reg(smi, RTL8366S_TABLE_ACCESS_CTRL_REG,
 458                                     RTL8366S_TABLE_VLAN_READ_CTRL);
 459         if (err)
 460                 return err;
 461
 462         err = rtl8366_smi_read_reg(smi, RTL8366S_VLAN_TABLE_READ_BASE, &data);
 463         if (err)
 464                 return err;
 465
 466         *tableaddr = data;
 467         tableaddr++;
 468
 469         err = rtl8366_smi_read_reg(smi, RTL8366S_VLAN_TABLE_READ_BASE + 1,
 470                                    &data);
 471         if (err)
 472                 return err;
 473
 474         *tableaddr = data;
 475         tableaddr++;
 476
 477         err = rtl8366_smi_read_reg(smi, RTL8366S_VLAN_TABLE_READ_BASE + 2,
 478                                    &data);
 479         if (err)
 480                 return err;
 481         *tableaddr = data;
 482
 483         vlan4k->vid = vid;
 484         vlan4k->untag = vlan4k_priv.untag;
 485         vlan4k->member = vlan4k_priv.member;
 486         vlan4k->fid = vlan4k_priv.fid;
 487
 488         return 0;
 489 }
 490
 491 static int rtl8366rb_set_vlan_4k(struct rtl8366_smi *smi,
 492                                  const struct rtl8366_vlan_4k *vlan4k)
 493 {
 494         struct rtl8366rb_vlan_4k vlan4k_priv;
 495         int err;
 496         u32 data;
 497         u16 *tableaddr;
 498
 499         if (vlan4k->vid >= RTL8366_NUM_VIDS ||
 500             vlan4k->member > RTL8366_PORT_ALL ||
 501             vlan4k->untag > RTL8366_PORT_ALL ||
 502             vlan4k->fid > RTL8366S_FIDMAX)
 503                 return -EINVAL;
 504
 505         vlan4k_priv.vid = vlan4k->vid;
 506         vlan4k_priv.untag = vlan4k->untag;
 507         vlan4k_priv.member = vlan4k->member;
 508         vlan4k_priv.fid = vlan4k->fid;
 509
 510         tableaddr = (u16 *)&vlan4k_priv;
 511
 512         data = *tableaddr;
 513
 514         err = rtl8366_smi_write_reg(smi, RTL8366S_VLAN_TABLE_WRITE_BASE, data);
 515         if (err)
 516                 return err;
 517
 518         tableaddr++;
 519
 520         data = *tableaddr;
 521
 522         err = rtl8366_smi_write_reg(smi, RTL8366S_VLAN_TABLE_WRITE_BASE + 1,
 523                                     data);
 524         if (err)
 525                 return err;
 526
 527         tableaddr++;
 528
 529         data = *tableaddr;
 530
 531         err = rtl8366_smi_write_reg(smi, RTL8366S_VLAN_TABLE_WRITE_BASE + 2,
 532                                     data);
 533         if (err)
 534                 return err;
 535
 536         /* write table access control word */
 537         err = rtl8366_smi_write_reg(smi, RTL8366S_TABLE_ACCESS_CTRL_REG,
 538                                     RTL8366S_TABLE_VLAN_WRITE_CTRL);
 539
 540         return err;
 541 }
 542
 543 static int rtl8366rb_get_vlan_mc(struct rtl8366_smi *smi, u32 index,
 544                                  struct rtl8366_vlan_mc *vlanmc)
 545 {
 546         struct rtl8366rb_vlan_mc vlanmc_priv;
 547         int err;
 548         u32 addr;
 549         u32 data;
 550         u16 *tableaddr;
 551
 552         memset(vlanmc, '\0', sizeof(struct rtl8366_vlan_mc));
 553
 554         if (index >= RTL8366_NUM_VLANS)
 555                 return -EINVAL;
 556
 557         tableaddr = (u16 *)&vlanmc_priv;
 558
 559         addr = RTL8366S_VLAN_MEMCONF_BASE + (index * 3);
 560         err = rtl8366_smi_read_reg(smi, addr, &data);
 561         if (err)
 562                 return err;
 563
 564         *tableaddr = data;
 565         tableaddr++;
 566
 567         addr = RTL8366S_VLAN_MEMCONF_BASE + 1 + (index * 3);
 568         err = rtl8366_smi_read_reg(smi, addr, &data);
 569         if (err)
 570                 return err;
 571
 572         *tableaddr = data;
 573         tableaddr++;
 574
 575         addr = RTL8366S_VLAN_MEMCONF_BASE + 2 + (index * 3);
 576         err = rtl8366_smi_read_reg(smi, addr, &data);
 577         if (err)
 578                 return err;
 579
 580         *tableaddr = data;
 581
 582         vlanmc->vid = vlanmc_priv.vid;
 583         vlanmc->priority = vlanmc_priv.priority;
 584         vlanmc->untag = vlanmc_priv.untag;
 585         vlanmc->member = vlanmc_priv.member;
 586         vlanmc->fid = vlanmc_priv.fid;
 587
 588         return 0;
 589 }
 590
 591 static int rtl8366rb_set_vlan_mc(struct rtl8366_smi *smi, u32 index,
 592                                  const struct rtl8366_vlan_mc *vlanmc)
 593 {
 594         struct rtl8366rb_vlan_mc vlanmc_priv;
 595         int err;
 596         u32 addr;
 597         u32 data;
 598         u16 *tableaddr;
 599
 600         if (index >= RTL8366_NUM_VLANS ||
 601             vlanmc->vid >= RTL8366_NUM_VIDS ||
 602             vlanmc->priority > RTL8366S_PRIORITYMAX ||
 603             vlanmc->member > RTL8366_PORT_ALL ||
 604             vlanmc->untag > RTL8366_PORT_ALL ||
 605             vlanmc->fid > RTL8366S_FIDMAX)
 606                 return -EINVAL;
 607
 608         vlanmc_priv.vid = vlanmc->vid;
 609         vlanmc_priv.priority = vlanmc->priority;
 610         vlanmc_priv.untag = vlanmc->untag;
 611         vlanmc_priv.member = vlanmc->member;
 612         vlanmc_priv.stag_mbr = 0;
 613         vlanmc_priv.stag_idx = 0;
 614         vlanmc_priv.fid = vlanmc->fid;
 615
 616         addr = RTL8366S_VLAN_MEMCONF_BASE + (index * 3);
 617
 618         tableaddr = (u16 *)&vlanmc_priv;
 619         data = *tableaddr;
 620
 621         err = rtl8366_smi_write_reg(smi, addr, data);
 622         if (err)
 623                 return err;
 624
 625         addr = RTL8366S_VLAN_MEMCONF_BASE + 1 + (index * 3);
 626
 627         tableaddr++;
 628         data = *tableaddr;
 629
 630         err = rtl8366_smi_write_reg(smi, addr, data);
 631         if (err)
 632                 return err;
 633
 634         addr = RTL8366S_VLAN_MEMCONF_BASE + 2 + (index * 3);
 635
 636         tableaddr++;
 637         data = *tableaddr;
 638
 639         err = rtl8366_smi_write_reg(smi, addr, data);
 640         if (err)
 641                 return err;
 642         return 0;
 643 }
 644
 645 static int rtl8366rb_get_mc_index(struct rtl8366_smi *smi, int port, int *val)
 646 {
 647         u32 data;
 648         int err;
 649
 650         if (port >= RTL8366_NUM_PORTS)
 651                 return -EINVAL;
 652
 653         err = rtl8366_smi_read_reg(smi, RTL8366S_PORT_VLAN_CTRL_REG(port),
 654                                    &data);
 655         if (err)
 656                 return err;
 657
 658         *val = (data >> RTL8366S_PORT_VLAN_CTRL_SHIFT(port)) &
 659                RTL8366S_PORT_VLAN_CTRL_MASK;
 660
 661         return 0;
 662
 663 }
 664
 665 static int rtl8366rb_set_mc_index(struct rtl8366_smi *smi, int port, int index)
 666 {
 667         if (port >= RTL8366_NUM_PORTS || index >= RTL8366_NUM_VLANS)
 668                 return -EINVAL;
 669
 670         return rtl8366_smi_rmwr(smi, RTL8366S_PORT_VLAN_CTRL_REG(port),
 671                                 RTL8366S_PORT_VLAN_CTRL_MASK <<
 672                                         RTL8366S_PORT_VLAN_CTRL_SHIFT(port),
 673                                 (index & RTL8366S_PORT_VLAN_CTRL_MASK) <<
 674                                         RTL8366S_PORT_VLAN_CTRL_SHIFT(port));
 675 }
 676
 677 static int rtl8366rb_set_vlan(struct rtl8366_smi *smi, int vid, u32 member,
 678                               u32 untag, u32 fid)
 679 {
 680         struct rtl8366_vlan_4k vlan4k;
 681         int err;
 682         int i;
 683
 684         /* Update the 4K table */
 685         err = rtl8366rb_get_vlan_4k(smi, vid, &vlan4k);
 686         if (err)
 687                 return err;
 688
 689         vlan4k.member = member;
 690         vlan4k.untag = untag;
 691         vlan4k.fid = fid;
 692         err = rtl8366rb_set_vlan_4k(smi, &vlan4k);
 693         if (err)
 694                 return err;
 695
 696         /* Try to find an existing MC entry for this VID */
 697         for (i = 0; i < RTL8366_NUM_VLANS; i++) {
 698                 struct rtl8366_vlan_mc vlanmc;
 699
 700                 err = rtl8366rb_get_vlan_mc(smi, i, &vlanmc);
 701                 if (err)
 702                         return err;
 703
 704                 if (vid == vlanmc.vid) {
 705                         /* update the MC entry */
 706                         vlanmc.member = member;
 707                         vlanmc.untag = untag;
 708                         vlanmc.fid = fid;
 709
 710                         err = rtl8366rb_set_vlan_mc(smi, i, &vlanmc);
 711                         break;
 712                 }
 713         }
 714
 715         return err;
 716 }
 717
 718 static int rtl8366rb_get_pvid(struct rtl8366_smi *smi, int port, int *val)
 719 {
 720         struct rtl8366_vlan_mc vlanmc;
 721         int err;
 722         int index;
 723
 724         err = rtl8366rb_get_mc_index(smi, port, &index);
 725         if (err)
 726                 return err;
 727
 728         err = rtl8366rb_get_vlan_mc(smi, index, &vlanmc);
 729         if (err)
 730                 return err;
 731
 732         *val = vlanmc.vid;
 733         return 0;
 734 }
 735
 736 static int rtl8366rb_mc_is_used(struct rtl8366_smi *smi, int mc_index,
 737                                 int *used)
 738 {
 739         int err;
 740         int i;
 741
 742         *used = 0;
 743         for (i = 0; i < RTL8366_NUM_PORTS; i++) {
 744                 int index = 0;
 745
 746                 err = rtl8366rb_get_mc_index(smi, i, &index);
 747                 if (err)
 748                         return err;
 749
 750                 if (mc_index == index) {
 751                         *used = 1;
 752                         break;
 753                 }
 754         }
 755
 756         return 0;
 757 }
 758
 759 static int rtl8366rb_set_pvid(struct rtl8366_smi *smi, unsigned port,
 760                               unsigned vid)
 761 {
 762         struct rtl8366_vlan_mc vlanmc;
 763         struct rtl8366_vlan_4k vlan4k;
 764         int err;
 765         int i;
 766
 767         /* Try to find an existing MC entry for this VID */
 768         for (i = 0; i < RTL8366_NUM_VLANS; i++) {
 769                 err = rtl8366rb_get_vlan_mc(smi, i, &vlanmc);
 770                 if (err)
 771                         return err;
 772
 773                 if (vid == vlanmc.vid) {
 774                         err = rtl8366rb_set_vlan_mc(smi, i, &vlanmc);
 775                         if (err)
 776                                 return err;
 777
 778                         err = rtl8366rb_set_mc_index(smi, port, i);
 779                         return err;
 780                 }
 781         }
 782
 783         /* We have no MC entry for this VID, try to find an empty one */
 784         for (i = 0; i < RTL8366_NUM_VLANS; i++) {
 785                 err = rtl8366rb_get_vlan_mc(smi, i, &vlanmc);
 786                 if (err)
 787                         return err;
 788
 789                 if (vlanmc.vid == 0 && vlanmc.member == 0) {
 790                         /* Update the entry from the 4K table */
 791                         err = rtl8366rb_get_vlan_4k(smi, vid, &vlan4k);
 792                         if (err)
 793                                 return err;
 794
 795                         vlanmc.vid = vid;
 796                         vlanmc.member = vlan4k.member;
 797                         vlanmc.untag = vlan4k.untag;
 798                         vlanmc.fid = vlan4k.fid;
 799                         err = rtl8366rb_set_vlan_mc(smi, i, &vlanmc);
 800                         if (err)
 801                                 return err;
 802
 803                         err = rtl8366rb_set_mc_index(smi, port, i);
 804                         return err;
 805                 }
 806         }
 807
 808         /* MC table is full, try to find an unused entry and replace it */
 809         for (i = 0; i < RTL8366_NUM_VLANS; i++) {
 810                 int used;
 811
 812                 err = rtl8366rb_mc_is_used(smi, i, &used);
 813                 if (err)
 814                         return err;
 815
 816                 if (!used) {
 817                         /* Update the entry from the 4K table */
 818                         err = rtl8366rb_get_vlan_4k(smi, vid, &vlan4k);
 819                         if (err)
 820                                 return err;
 821
 822                         vlanmc.vid = vid;
 823                         vlanmc.member = vlan4k.member;
 824                         vlanmc.untag = vlan4k.untag;
 825                         vlanmc.fid = vlan4k.fid;
 826                         err = rtl8366rb_set_vlan_mc(smi, i, &vlanmc);
 827                         if (err)
 828                                 return err;
 829
 830                         err = rtl8366rb_set_mc_index(smi, port, i);
 831                         return err;
 832                 }
 833         }
 834
 835         dev_err(smi->parent,
 836                 "all VLAN member configurations are in use\n");
 837
 838         return -ENOSPC;
 839 }
 840
 841 static int rtl8366rb_vlan_set_vlan(struct rtl8366_smi *smi, int enable)
 842 {
 843         return rtl8366_smi_rmwr(smi, RTL8366_CHIP_GLOBAL_CTRL_REG,
 844                                 RTL8366_CHIP_CTRL_VLAN,
 845                                 (enable) ? RTL8366_CHIP_CTRL_VLAN : 0);
 846 }
 847
 848 static int rtl8366rb_vlan_set_4ktable(struct rtl8366_smi *smi, int enable)
 849 {
 850         return rtl8366_smi_rmwr(smi, RTL8366_CHIP_GLOBAL_CTRL_REG,
 851                                 RTL8366_CHIP_CTRL_VLAN_4KTB,
 852                                 (enable) ? RTL8366_CHIP_CTRL_VLAN_4KTB : 0);
 853 }
 854
 855 static int rtl8366rb_reset_vlan(struct rtl8366_smi *smi)
 856 {
 857         struct rtl8366_vlan_mc vlanmc;
 858         int err;
 859         int i;
 860
 861         /* clear VLAN member configurations */
 862         vlanmc.vid = 0;
 863         vlanmc.priority = 0;
 864         vlanmc.member = 0;
 865         vlanmc.untag = 0;
 866         vlanmc.fid = 0;
 867         for (i = 0; i < RTL8366_NUM_VLANS; i++) {
 868                 err = rtl8366rb_set_vlan_mc(smi, i, &vlanmc);
 869                 if (err)
 870                         return err;
 871         }
 872
 873         for (i = 0; i < RTL8366_NUM_PORTS; i++) {
 874                 if (i == RTL8366_PORT_CPU)
 875                         continue;
 876
 877                 err = rtl8366rb_set_vlan(smi, (i + 1),
 878                                          (1 << i) | RTL8366_PORT_CPU,
 879                                          (1 << i) | RTL8366_PORT_CPU,
 880                                          0);
 881                 if (err)
 882                         return err;
 883
 884                 err = rtl8366rb_set_pvid(smi, i, (i + 1));
 885                 if (err)
 886                         return err;
 887         }
 888
 889         return 0;
 890 }
 891
 892 #ifdef CONFIG_RTL8366S_PHY_DEBUG_FS
 893 static int rtl8366rb_debugfs_open(struct inode *inode, struct file *file)
 894 {
 895         file->private_data = inode->i_private;
 896         return 0;
 897 }
 898
 899 static ssize_t rtl8366rb_read_debugfs_mibs(struct file *file,
 900                                           char __user *user_buf,
 901                                           size_t count, loff_t *ppos)
 902 {
 903         struct rtl8366rb *rtl = (struct rtl8366rb *)file->private_data;
 904         struct rtl8366_smi *smi = &rtl->smi;
 905         int i, j, len = 0;
 906         char *buf = rtl->buf;
 907
 908         len += snprintf(buf + len, sizeof(rtl->buf) - len,
 909                         "%-36s %12s %12s %12s %12s %12s %12s\n",
 910                         "Counter",
 911                         "Port 0", "Port 1", "Port 2",
 912                         "Port 3", "Port 4", "Port 5");
 913
 914         for (i = 0; i < ARRAY_SIZE(rtl8366rb_mib_counters); ++i) {
 915                 len += snprintf(buf + len, sizeof(rtl->buf) - len, "%-36s ",
 916                                 rtl8366rb_mib_counters[i].name);
 917                 for (j = 0; j < RTL8366_NUM_PORTS; ++j) {
 918                         unsigned long long counter = 0;
 919
 920                         if (!rtl8366_get_mib_counter(smi, i, j, &counter))
 921                                 len += snprintf(buf + len,
 922                                                 sizeof(rtl->buf) - len,
 923                                                 "%12llu ", counter);
 924                         else
 925                                 len += snprintf(buf + len,
 926                                                 sizeof(rtl->buf) - len,
 927                                                 "%12s ", "error");
 928                 }
 929                 len += snprintf(buf + len, sizeof(rtl->buf) - len, "\n");
 930         }
 931
 932         return simple_read_from_buffer(user_buf, count, ppos, buf, len);
 933 }
 934
 935 static ssize_t rtl8366rb_read_debugfs_vlan_mc(struct file *file,
 936                                               char __user *user_buf,
 937                                               size_t count, loff_t *ppos)
 938 {
 939         struct rtl8366rb *rtl = (struct rtl8366rb *)file->private_data;
 940         struct rtl8366_smi *smi = &rtl->smi;
 941         int i, len = 0;
 942         char *buf = rtl->buf;
 943
 944         len += snprintf(buf + len, sizeof(rtl->buf) - len,
 945                         "%2s %6s %4s %6s %6s %3s\n",
 946                         "id", "vid","prio", "member", "untag", "fid");
 947
 948         for (i = 0; i < RTL8366_NUM_VLANS; ++i) {
 949                 struct rtl8366_vlan_mc vlanmc;
 950
 951                 rtl8366rb_get_vlan_mc(smi, i, &vlanmc);
 952
 953                 len += snprintf(buf + len, sizeof(rtl->buf) - len,
 954                                 "%2d %6d %4d 0x%04x 0x%04x %3d\n",
 955                                 i, vlanmc.vid, vlanmc.priority,
 956                                 vlanmc.member, vlanmc.untag, vlanmc.fid);
 957         }
 958
 959         return simple_read_from_buffer(user_buf, count, ppos, buf, len);
 960 }
 961
 962 static ssize_t rtl8366rb_read_debugfs_reg(struct file *file,
 963                                          char __user *user_buf,
 964                                          size_t count, loff_t *ppos)
 965 {
 966         struct rtl8366rb *rtl = (struct rtl8366rb *)file->private_data;
 967         struct rtl8366_smi *smi = &rtl->smi;
 968         u32 t, reg = gl_dbg_reg;
 969         int err, len = 0;
 970         char *buf = rtl->buf;
 971
 972         memset(buf, '\0', sizeof(rtl->buf));
 973
 974         err = rtl8366_smi_read_reg(smi, reg, &t);
 975         if (err) {
 976                 len += snprintf(buf, sizeof(rtl->buf),
 977                                 "Read failed (reg: 0x%04x)\n", reg);
 978                 return simple_read_from_buffer(user_buf, count, ppos, buf, len);
 979         }
 980
 981         len += snprintf(buf, sizeof(rtl->buf), "reg = 0x%04x, val = 0x%04x\n",
 982                         reg, t);
 983
 984         return simple_read_from_buffer(user_buf, count, ppos, buf, len);
 985 }
 986
 987 static ssize_t rtl8366rb_write_debugfs_reg(struct file *file,
 988                                           const char __user *user_buf,
 989                                           size_t count, loff_t *ppos)
 990 {
 991         struct rtl8366rb *rtl = (struct rtl8366rb *)file->private_data;
 992         struct rtl8366_smi *smi = &rtl->smi;
 993         unsigned long data;
 994         u32 reg = gl_dbg_reg;
 995         int err;
 996         size_t len;
 997         char *buf = rtl->buf;
 998
 999         len = min(count, sizeof(rtl->buf) - 1);
1000         if (copy_from_user(buf, user_buf, len)) {
1001                 dev_err(rtl->parent, "copy from user failed\n");
1002                 return -EFAULT;
1003         }
1004
1005         buf[len] = '\0';
1006         if (len > 0 && buf[len - 1] == '\n')
1007                 buf[len - 1] = '\0';
1008
1009
1010         if (strict_strtoul(buf, 16, &data)) {
1011                 dev_err(rtl->parent, "Invalid reg value %s\n", buf);
1012         } else {
1013                 err = rtl8366_smi_write_reg(smi, reg, data);
1014                 if (err) {
1015                         dev_err(rtl->parent,
1016                                 "writing reg 0x%04x val 0x%04lx failed\n",
1017                                 reg, data);
1018                 }
1019         }
1020
1021         return count;
1022 }
1023
1024 static const struct file_operations fops_rtl8366rb_regs = {
1025         .read = rtl8366rb_read_debugfs_reg,
1026         .write = rtl8366rb_write_debugfs_reg,
1027         .open = rtl8366rb_debugfs_open,
1028         .owner = THIS_MODULE
1029 };
1030
1031 static const struct file_operations fops_rtl8366rb_vlan_mc = {
1032         .read = rtl8366rb_read_debugfs_vlan_mc,
1033         .open = rtl8366rb_debugfs_open,
1034         .owner = THIS_MODULE
1035 };
1036
1037 static const struct file_operations fops_rtl8366rb_mibs = {
1038         .read = rtl8366rb_read_debugfs_mibs,
1039         .open = rtl8366rb_debugfs_open,
1040         .owner = THIS_MODULE
1041 };
1042
1043 static void rtl8366rb_debugfs_init(struct rtl8366rb *rtl)
1044 {
1045         struct dentry *node;
1046         struct dentry *root;
1047
1048         if (!rtl->debugfs_root)
1049                 rtl->debugfs_root = debugfs_create_dir("rtl8366rb", NULL);
1050
1051         if (!rtl->debugfs_root) {
1052                 dev_err(rtl->parent, "Unable to create debugfs dir\n");
1053                 return;
1054         }
1055         root = rtl->debugfs_root;
1056
1057         node = debugfs_create_x16("reg", S_IRUGO | S_IWUSR, root, &gl_dbg_reg);
1058         if (!node) {
1059                 dev_err(rtl->parent, "Creating debugfs file '%s' failed\n",
1060                         "reg");
1061                 return;
1062         }
1063
1064         node = debugfs_create_file("val", S_IRUGO | S_IWUSR, root, rtl,
1065                                    &fops_rtl8366rb_regs);
1066         if (!node) {
1067                 dev_err(rtl->parent, "Creating debugfs file '%s' failed\n",
1068                         "val");
1069                 return;
1070         }
1071
1072         node = debugfs_create_file("vlan_mc", S_IRUSR, root, rtl,
1073                                    &fops_rtl8366rb_vlan_mc);
1074         if (!node) {
1075                 dev_err(rtl->parent, "Creating debugfs file '%s' failed\n",
1076                         "vlan_mc");
1077                 return;
1078         }
1079
1080         node = debugfs_create_file("mibs", S_IRUSR, root, rtl,
1081                                    &fops_rtl8366rb_mibs);
1082         if (!node) {
1083                 dev_err(rtl->parent, "Creating debugfs file '%s' failed\n",
1084                         "mibs");
1085                 return;
1086         }
1087 }
1088
1089 static void rtl8366rb_debugfs_remove(struct rtl8366rb *rtl)
1090 {
1091         if (rtl->debugfs_root) {
1092                 debugfs_remove_recursive(rtl->debugfs_root);
1093                 rtl->debugfs_root = NULL;
1094         }
1095 }
1096
1097 #else
1098 static inline void rtl8366rb_debugfs_init(struct rtl8366rb *rtl) {}
1099 static inline void rtl8366rb_debugfs_remove(struct rtl8366rb *rtl) {}
1100 #endif /* CONFIG_RTL8366S_PHY_DEBUG_FS */
1101
1102 static int rtl8366rb_sw_reset_mibs(struct switch_dev *dev,
1103                                   const struct switch_attr *attr,
1104                                   struct switch_val *val)
1105 {
1106         struct rtl8366_smi *smi = sw_to_rtl8366_smi(dev);
1107         int err = 0;
1108
1109         if (val->value.i == 1)
1110                 err = rtl8366_smi_rmwr(smi, RTL8366S_MIB_CTRL_REG, 0, (1 << 2));
1111
1112         return err;
1113 }
1114
1115 static int rtl8366rb_sw_get_vlan_enable(struct switch_dev *dev,
1116                                        const struct switch_attr *attr,
1117                                        struct switch_val *val)
1118 {
1119         struct rtl8366_smi *smi = sw_to_rtl8366_smi(dev);
1120         u32 data;
1121
1122         if (attr->ofs == 1) {
1123                 rtl8366_smi_read_reg(smi, RTL8366_CHIP_GLOBAL_CTRL_REG, &data);
1124
1125                 if (data & RTL8366_CHIP_CTRL_VLAN)
1126                         val->value.i = 1;
1127                 else
1128                         val->value.i = 0;
1129         } else if (attr->ofs == 2) {
1130                 rtl8366_smi_read_reg(smi, RTL8366_CHIP_GLOBAL_CTRL_REG, &data);
1131
1132                 if (data & RTL8366_CHIP_CTRL_VLAN_4KTB)
1133                         val->value.i = 1;
1134                 else
1135                         val->value.i = 0;
1136         }
1137
1138         return 0;
1139 }
1140
1141 static int rtl8366rb_sw_get_blinkrate(struct switch_dev *dev,
1142                                      const struct switch_attr *attr,
1143                                      struct switch_val *val)
1144 {
1145         struct rtl8366_smi *smi = sw_to_rtl8366_smi(dev);
1146         u32 data;
1147
1148         rtl8366_smi_read_reg(smi, RTL8366_LED_BLINKRATE_REG, &data);
1149
1150         val->value.i = (data & (RTL8366_LED_BLINKRATE_MASK));
1151
1152         return 0;
1153 }
1154
1155 static int rtl8366rb_sw_set_blinkrate(struct switch_dev *dev,
1156                                     const struct switch_attr *attr,
1157                                     struct switch_val *val)
1158 {
1159         struct rtl8366_smi *smi = sw_to_rtl8366_smi(dev);
1160
1161         if (val->value.i >= 6)
1162                 return -EINVAL;
1163
1164         return rtl8366_smi_rmwr(smi, RTL8366_LED_BLINKRATE_REG,
1165                                 RTL8366_LED_BLINKRATE_MASK,
1166                                 val->value.i);
1167 }
1168
1169 static int rtl8366rb_sw_set_vlan_enable(struct switch_dev *dev,
1170                                        const struct switch_attr *attr,
1171                                        struct switch_val *val)
1172 {
1173         struct rtl8366_smi *smi = sw_to_rtl8366_smi(dev);
1174
1175         if (attr->ofs == 1)
1176                 return rtl8366rb_vlan_set_vlan(smi, val->value.i);
1177         else
1178                 return rtl8366rb_vlan_set_4ktable(smi, val->value.i);
1179 }
1180
1181 static const char *rtl8366rb_speed_str(unsigned speed)
1182 {
1183         switch (speed) {
1184         case 0:
1185                 return "10baseT";
1186         case 1:
1187                 return "100baseT";
1188         case 2:
1189                 return "1000baseT";
1190         }
1191
1192         return "unknown";
1193 }
1194
1195 static int rtl8366rb_sw_get_port_link(struct switch_dev *dev,
1196                                      const struct switch_attr *attr,
1197                                      struct switch_val *val)
1198 {
1199         struct rtl8366rb *rtl = sw_to_rtl8366rb(dev);
1200         struct rtl8366_smi *smi = &rtl->smi;
1201         u32 len = 0, data = 0;
1202
1203         if (val->port_vlan >= RTL8366_NUM_PORTS)
1204                 return -EINVAL;
1205
1206         memset(rtl->buf, '\0', sizeof(rtl->buf));
1207         rtl8366_smi_read_reg(smi, RTL8366S_PORT_LINK_STATUS_BASE +
1208                              (val->port_vlan / 2), &data);
1209
1210         if (val->port_vlan % 2)
1211                 data = data >> 8;
1212
1213         if (data & RTL8366S_PORT_STATUS_LINK_MASK) {
1214                 len = snprintf(rtl->buf, sizeof(rtl->buf),
1215                                 "port:%d link:up speed:%s %s-duplex %s%s%s",
1216                                 val->port_vlan,
1217                                 rtl8366rb_speed_str(data &
1218                                           RTL8366S_PORT_STATUS_SPEED_MASK),
1219                                 (data & RTL8366S_PORT_STATUS_DUPLEX_MASK) ?
1220                                         "full" : "half",
1221                                 (data & RTL8366S_PORT_STATUS_TXPAUSE_MASK) ?
1222                                         "tx-pause ": "",
1223                                 (data & RTL8366S_PORT_STATUS_RXPAUSE_MASK) ?
1224                                         "rx-pause " : "",
1225                                 (data & RTL8366S_PORT_STATUS_AN_MASK) ?
1226                                         "nway ": "");
1227         } else {
1228                 len = snprintf(rtl->buf, sizeof(rtl->buf), "port:%d link: down",
1229                                 val->port_vlan);
1230         }
1231
1232         val->value.s = rtl->buf;
1233         val->len = len;
1234
1235         return 0;
1236 }
1237
1238 static int rtl8366rb_sw_get_vlan_info(struct switch_dev *dev,
1239                                      const struct switch_attr *attr,
1240                                      struct switch_val *val)
1241 {
1242         int i;
1243         u32 len = 0;
1244         struct rtl8366_vlan_4k vlan4k;
1245         struct rtl8366rb *rtl = sw_to_rtl8366rb(dev);
1246         struct rtl8366_smi *smi = &rtl->smi;
1247         char *buf = rtl->buf;
1248         int err;
1249
1250         if (val->port_vlan == 0 || val->port_vlan >= RTL8366_NUM_VLANS)
1251                 return -EINVAL;
1252
1253         memset(buf, '\0', sizeof(rtl->buf));
1254
1255         err = rtl8366rb_get_vlan_4k(smi, val->port_vlan, &vlan4k);
1256         if (err)
1257                 return err;
1258
1259         len += snprintf(buf + len, sizeof(rtl->buf) - len,
1260                         "VLAN %d: Ports: '", vlan4k.vid);
1261
1262         for (i = 0; i < RTL8366_NUM_PORTS; i++) {
1263                 if (!(vlan4k.member & (1 << i)))
1264                         continue;
1265
1266                 len += snprintf(buf + len, sizeof(rtl->buf) - len, "%d%s", i,
1267                                 (vlan4k.untag & (1 << i)) ? "" : "t");
1268         }
1269
1270         len += snprintf(buf + len, sizeof(rtl->buf) - len,
1271                         "', members=%04x, untag=%04x, fid=%u",
1272                         vlan4k.member, vlan4k.untag, vlan4k.fid);
1273
1274         val->value.s = buf;
1275         val->len = len;
1276
1277         return 0;
1278 }
1279
1280 static int rtl8366rb_sw_set_port_led(struct switch_dev *dev,
1281                                     const struct switch_attr *attr,
1282                                     struct switch_val *val)
1283 {
1284         struct rtl8366_smi *smi = sw_to_rtl8366_smi(dev);
1285         u32 data;
1286         u32 mask;
1287         u32 reg;
1288
1289         if (val->port_vlan >= RTL8366_NUM_PORTS)
1290                 return -EINVAL;
1291
1292         if (val->port_vlan == RTL8366_PORT_NUM_CPU) {
1293                 reg = RTL8366_LED_BLINKRATE_REG;
1294                 mask = 0xF << 4;
1295                 data = val->value.i << 4;
1296         } else {
1297                 reg = RTL8366_LED_CTRL_REG;
1298                 mask = 0xF << (val->port_vlan * 4),
1299                 data = val->value.i << (val->port_vlan * 4);
1300         }
1301
1302         return rtl8366_smi_rmwr(smi, RTL8366_LED_BLINKRATE_REG, mask, data);
1303 }
1304
1305 static int rtl8366rb_sw_get_port_led(struct switch_dev *dev,
1306                                     const struct switch_attr *attr,
1307                                     struct switch_val *val)
1308 {
1309         struct rtl8366_smi *smi = sw_to_rtl8366_smi(dev);
1310         u32 data = 0;
1311
1312         if (val->port_vlan >= RTL8366_NUM_LEDGROUPS)
1313                 return -EINVAL;
1314
1315         rtl8366_smi_read_reg(smi, RTL8366_LED_CTRL_REG, &data);
1316         val->value.i = (data >> (val->port_vlan * 4)) & 0x000F;
1317
1318         return 0;
1319 }
1320
1321 static int rtl8366rb_sw_reset_port_mibs(struct switch_dev *dev,
1322                                        const struct switch_attr *attr,
1323                                        struct switch_val *val)
1324 {
1325         struct rtl8366_smi *smi = sw_to_rtl8366_smi(dev);
1326
1327         if (val->port_vlan >= RTL8366_NUM_PORTS)
1328                 return -EINVAL;
1329
1330         return rtl8366_smi_rmwr(smi, RTL8366S_MIB_CTRL_REG,
1331                                 0, (1 << (val->port_vlan + 3)));
1332 }
1333
1334 static int rtl8366rb_sw_get_port_mib(struct switch_dev *dev,
1335                                     const struct switch_attr *attr,
1336                                     struct switch_val *val)
1337 {
1338         struct rtl8366rb *rtl = sw_to_rtl8366rb(dev);
1339         struct rtl8366_smi *smi = &rtl->smi;
1340         int i, len = 0;
1341         unsigned long long counter = 0;
1342         char *buf = rtl->buf;
1343
1344         if (val->port_vlan >= RTL8366_NUM_PORTS)
1345                 return -EINVAL;
1346
1347         len += snprintf(buf + len, sizeof(rtl->buf) - len,
1348                         "Port %d MIB counters\n",
1349                         val->port_vlan);
1350
1351         for (i = 0; i < ARRAY_SIZE(rtl8366rb_mib_counters); ++i) {
1352                 len += snprintf(buf + len, sizeof(rtl->buf) - len,
1353                                 "%-36s: ", rtl8366rb_mib_counters[i].name);
1354                 if (!rtl8366_get_mib_counter(smi, i, val->port_vlan, &counter))
1355                         len += snprintf(buf + len, sizeof(rtl->buf) - len,
1356                                         "%llu\n", counter);
1357                 else
1358                         len += snprintf(buf + len, sizeof(rtl->buf) - len,
1359                                         "%s\n", "error");
1360         }
1361
1362         val->value.s = buf;
1363         val->len = len;
1364         return 0;
1365 }
1366
1367 static int rtl8366rb_sw_get_vlan_ports(struct switch_dev *dev,
1368                                       struct switch_val *val)
1369 {
1370         struct rtl8366_smi *smi = sw_to_rtl8366_smi(dev);
1371         struct switch_port *port;
1372         struct rtl8366_vlan_4k vlan4k;
1373         int i;
1374
1375         if (val->port_vlan == 0 || val->port_vlan >= RTL8366_NUM_VLANS)
1376                 return -EINVAL;
1377
1378         rtl8366rb_get_vlan_4k(smi, val->port_vlan, &vlan4k);
1379
1380         port = &val->value.ports[0];
1381         val->len = 0;
1382         for (i = 0; i < RTL8366_NUM_PORTS; i++) {
1383                 if (!(vlan4k.member & BIT(i)))
1384                         continue;
1385
1386                 port->id = i;
1387                 port->flags = (vlan4k.untag & BIT(i)) ?
1388                                         0 : BIT(SWITCH_PORT_FLAG_TAGGED);
1389                 val->len++;
1390                 port++;
1391         }
1392         return 0;
1393 }
1394
1395 static int rtl8366rb_sw_set_vlan_ports(struct switch_dev *dev,
1396                                       struct switch_val *val)
1397 {
1398         struct rtl8366_smi *smi = sw_to_rtl8366_smi(dev);
1399         struct switch_port *port;
1400         u32 member = 0;
1401         u32 untag = 0;
1402         int i;
1403
1404         if (val->port_vlan == 0 || val->port_vlan >= RTL8366_NUM_VLANS)
1405                 return -EINVAL;
1406
1407         port = &val->value.ports[0];
1408         for (i = 0; i < val->len; i++, port++) {
1409                 member |= BIT(port->id);
1410
1411                 if (!(port->flags & BIT(SWITCH_PORT_FLAG_TAGGED)))
1412                         untag |= BIT(port->id);
1413         }
1414
1415         return rtl8366rb_set_vlan(smi, val->port_vlan, member, untag, 0);
1416 }
1417
1418 static int rtl8366rb_sw_get_port_pvid(struct switch_dev *dev, int port, int *val)
1419 {
1420         struct rtl8366_smi *smi = sw_to_rtl8366_smi(dev);
1421         return rtl8366rb_get_pvid(smi, port, val);
1422 }
1423
1424 static int rtl8366rb_sw_set_port_pvid(struct switch_dev *dev, int port, int val)
1425 {
1426         struct rtl8366_smi *smi = sw_to_rtl8366_smi(dev);
1427         return rtl8366rb_set_pvid(smi, port, val);
1428 }
1429
1430 static int rtl8366rb_sw_reset_switch(struct switch_dev *dev)
1431 {
1432         struct rtl8366_smi *smi = sw_to_rtl8366_smi(dev);
1433         int err;
1434
1435         err = rtl8366rb_reset_chip(smi);
1436         if (err)
1437                 return err;
1438
1439         err = rtl8366rb_hw_init(smi);
1440         if (err)
1441                 return err;
1442
1443         return rtl8366rb_reset_vlan(smi);
1444 }
1445
1446 static struct switch_attr rtl8366rb_globals[] = {
1447         {
1448                 .type = SWITCH_TYPE_INT,
1449                 .name = "enable_vlan",
1450                 .description = "Enable VLAN mode",
1451                 .set = rtl8366rb_sw_set_vlan_enable,
1452                 .get = rtl8366rb_sw_get_vlan_enable,
1453                 .max = 1,
1454                 .ofs = 1
1455         }, {
1456                 .type = SWITCH_TYPE_INT,
1457                 .name = "enable_vlan4k",
1458                 .description = "Enable VLAN 4K mode",
1459                 .set = rtl8366rb_sw_set_vlan_enable,
1460                 .get = rtl8366rb_sw_get_vlan_enable,
1461                 .max = 1,
1462                 .ofs = 2
1463         }, {
1464                 .type = SWITCH_TYPE_INT,
1465                 .name = "reset_mibs",
1466                 .description = "Reset all MIB counters",
1467                 .set = rtl8366rb_sw_reset_mibs,
1468                 .get = NULL,
1469                 .max = 1
1470         }, {
1471                 .type = SWITCH_TYPE_INT,
1472                 .name = "blinkrate",
1473                 .description = "Get/Set LED blinking rate (0 = 43ms, 1 = 84ms,"
1474                 " 2 = 120ms, 3 = 170ms, 4 = 340ms, 5 = 670ms)",
1475                 .set = rtl8366rb_sw_set_blinkrate,
1476                 .get = rtl8366rb_sw_get_blinkrate,
1477                 .max = 5
1478         },
1479 };
1480
1481 static struct switch_attr rtl8366rb_port[] = {
1482         {
1483                 .type = SWITCH_TYPE_STRING,
1484                 .name = "link",
1485                 .description = "Get port link information",
1486                 .max = 1,
1487                 .set = NULL,
1488                 .get = rtl8366rb_sw_get_port_link,
1489         }, {
1490                 .type = SWITCH_TYPE_INT,
1491                 .name = "reset_mib",
1492                 .description = "Reset single port MIB counters",
1493                 .max = 1,
1494                 .set = rtl8366rb_sw_reset_port_mibs,
1495                 .get = NULL,
1496         }, {
1497                 .type = SWITCH_TYPE_STRING,
1498                 .name = "mib",
1499                 .description = "Get MIB counters for port",
1500                 .max = 33,
1501                 .set = NULL,
1502                 .get = rtl8366rb_sw_get_port_mib,
1503         }, {
1504                 .type = SWITCH_TYPE_INT,
1505                 .name = "led",
1506                 .description = "Get/Set port group (0 - 3) led mode (0 - 15)",
1507                 .max = 15,
1508                 .set = rtl8366rb_sw_set_port_led,
1509                 .get = rtl8366rb_sw_get_port_led,
1510         },
1511 };
1512
1513 static struct switch_attr rtl8366rb_vlan[] = {
1514         {
1515                 .type = SWITCH_TYPE_STRING,
1516                 .name = "info",
1517                 .description = "Get vlan information",
1518                 .max = 1,
1519                 .set = NULL,
1520                 .get = rtl8366rb_sw_get_vlan_info,
1521         },
1522 };
1523
1524 /* template */
1525 static struct switch_dev rtl8366_switch_dev = {
1526         .name = "RTL8366S",
1527         .cpu_port = RTL8366_PORT_NUM_CPU,
1528         .ports = RTL8366_NUM_PORTS,
1529         .vlans = RTL8366_NUM_VLANS,
1530         .attr_global = {
1531                 .attr = rtl8366rb_globals,
1532                 .n_attr = ARRAY_SIZE(rtl8366rb_globals),
1533         },
1534         .attr_port = {
1535                 .attr = rtl8366rb_port,
1536                 .n_attr = ARRAY_SIZE(rtl8366rb_port),
1537         },
1538         .attr_vlan = {
1539                 .attr = rtl8366rb_vlan,
1540                 .n_attr = ARRAY_SIZE(rtl8366rb_vlan),
1541         },
1542
1543         .get_vlan_ports = rtl8366rb_sw_get_vlan_ports,
1544         .set_vlan_ports = rtl8366rb_sw_set_vlan_ports,
1545         .get_port_pvid = rtl8366rb_sw_get_port_pvid,
1546         .set_port_pvid = rtl8366rb_sw_set_port_pvid,
1547         .reset_switch = rtl8366rb_sw_reset_switch,
1548 };
1549
1550 static int rtl8366rb_switch_init(struct rtl8366rb *rtl)
1551 {
1552         struct switch_dev *dev = &rtl->dev;
1553         int err;
1554
1555         memcpy(dev, &rtl8366_switch_dev, sizeof(struct switch_dev));
1556         dev->priv = rtl;
1557         dev->devname = dev_name(rtl->parent);
1558
1559         err = register_switch(dev, NULL);
1560         if (err)
1561                 dev_err(rtl->parent, "switch registration failed\n");
1562
1563         return err;
1564 }
1565
1566 static void rtl8366rb_switch_cleanup(struct rtl8366rb *rtl)
1567 {
1568         unregister_switch(&rtl->dev);
1569 }
1570
1571 static int rtl8366rb_mii_read(struct mii_bus *bus, int addr, int reg)
1572 {
1573         struct rtl8366_smi *smi = bus->priv;
1574         u32 val = 0;
1575         int err;
1576
1577         err = rtl8366rb_read_phy_reg(smi, addr, 0, reg, &val);
1578         if (err)
1579                 return 0xffff;
1580
1581         return val;
1582 }
1583
1584 static int rtl8366rb_mii_write(struct mii_bus *bus, int addr, int reg, u16 val)
1585 {
1586         struct rtl8366_smi *smi = bus->priv;
1587         u32 t;
1588         int err;
1589
1590         err = rtl8366rb_write_phy_reg(smi, addr, 0, reg, val);
1591         /* flush write */
1592         (void) rtl8366rb_read_phy_reg(smi, addr, 0, reg, &t);
1593
1594         return err;
1595 }
1596
1597 static int rtl8366rb_mii_bus_match(struct mii_bus *bus)
1598 {
1599         return (bus->read == rtl8366rb_mii_read &&
1600                 bus->write == rtl8366rb_mii_write);
1601 }
1602
1603 static int rtl8366rb_setup(struct rtl8366rb *rtl)
1604 {
1605         struct rtl8366_smi *smi = &rtl->smi;
1606         int ret;
1607
1608         rtl8366rb_debugfs_init(rtl);
1609
1610         ret = rtl8366rb_reset_chip(smi);
1611         if (ret)
1612                 return ret;
1613
1614         ret = rtl8366rb_hw_init(smi);
1615         return ret;
1616 }
1617
1618 static int rtl8366rb_detect(struct rtl8366_smi *smi)
1619 {
1620         u32 chip_id = 0;
1621         u32 chip_ver = 0;
1622         int ret;
1623
1624         ret = rtl8366_smi_read_reg(smi, RTL8366S_CHIP_ID_REG, &chip_id);
1625         if (ret) {
1626                 dev_err(smi->parent, "unable to read chip id\n");
1627                 return ret;
1628         }
1629
1630         switch (chip_id) {
1631         case RTL8366S_CHIP_ID_8366:
1632                 break;
1633         default:
1634                 dev_err(smi->parent, "unknown chip id (%04x)\n", chip_id);
1635                 return -ENODEV;
1636         }
1637
1638         ret = rtl8366_smi_read_reg(smi, RTL8366S_CHIP_VERSION_CTRL_REG,
1639                                    &chip_ver);
1640         if (ret) {
1641                 dev_err(smi->parent, "unable to read chip version\n");
1642                 return ret;
1643         }
1644
1645         dev_info(smi->parent, "RTL%04x ver. %u chip found\n",
1646                  chip_id, chip_ver & RTL8366S_CHIP_VERSION_MASK);
1647
1648         return 0;
1649 }
1650
1651 static struct rtl8366_smi_ops rtl8366rb_smi_ops = {
1652         .detect         = rtl8366rb_detect,
1653         .mii_read       = rtl8366rb_mii_read,
1654         .mii_write      = rtl8366rb_mii_write,
1655 };
1656
1657 static int __init rtl8366rb_probe(struct platform_device *pdev)
1658 {
1659         static int rtl8366_smi_version_printed;
1660         struct rtl8366rb_platform_data *pdata;
1661         struct rtl8366rb *rtl;
1662         struct rtl8366_smi *smi;
1663         int err;
1664
1665         if (!rtl8366_smi_version_printed++)
1666                 printk(KERN_NOTICE RTL8366S_DRIVER_DESC
1667                        " version " RTL8366S_DRIVER_VER"\n");
1668
1669         pdata = pdev->dev.platform_data;
1670         if (!pdata) {
1671                 dev_err(&pdev->dev, "no platform data specified\n");
1672                 err = -EINVAL;
1673                 goto err_out;
1674         }
1675
1676         rtl = kzalloc(sizeof(*rtl), GFP_KERNEL);
1677         if (!rtl) {
1678                 dev_err(&pdev->dev, "no memory for private data\n");
1679                 err = -ENOMEM;
1680                 goto err_out;
1681         }
1682
1683         rtl->parent = &pdev->dev;
1684
1685         smi = &rtl->smi;
1686         smi->parent = &pdev->dev;
1687         smi->gpio_sda = pdata->gpio_sda;
1688         smi->gpio_sck = pdata->gpio_sck;
1689         smi->ops = &rtl8366rb_smi_ops;
1690
1691         err = rtl8366_smi_init(smi);
1692         if (err)
1693                 goto err_free_rtl;
1694
1695         platform_set_drvdata(pdev, rtl);
1696
1697         err = rtl8366rb_setup(rtl);
1698         if (err)
1699                 goto err_clear_drvdata;
1700
1701         err = rtl8366rb_switch_init(rtl);
1702         if (err)
1703                 goto err_clear_drvdata;
1704
1705         return 0;
1706
1707  err_clear_drvdata:
1708         platform_set_drvdata(pdev, NULL);
1709         rtl8366_smi_cleanup(smi);
1710  err_free_rtl:
1711         kfree(rtl);
1712  err_out:
1713         return err;
1714 }
1715
1716 static int rtl8366rb_phy_config_init(struct phy_device *phydev)
1717 {
1718         if (!rtl8366rb_mii_bus_match(phydev->bus))
1719                 return -EINVAL;
1720
1721         return 0;
1722 }
1723
1724 static int rtl8366rb_phy_config_aneg(struct phy_device *phydev)
1725 {
1726         return 0;
1727 }
1728
1729 static struct phy_driver rtl8366rb_phy_driver = {
1730         .phy_id         = 0x001cc960,
1731         .name           = "Realtek RTL8366RB",
1732         .phy_id_mask    = 0x1ffffff0,
1733         .features       = PHY_GBIT_FEATURES,
1734         .config_aneg    = rtl8366rb_phy_config_aneg,
1735         .config_init    = rtl8366rb_phy_config_init,
1736         .read_status    = genphy_read_status,
1737         .driver         = {
1738                 .owner = THIS_MODULE,
1739         },
1740 };
1741
1742 static int __devexit rtl8366rb_remove(struct platform_device *pdev)
1743 {
1744         struct rtl8366rb *rtl = platform_get_drvdata(pdev);
1745
1746         if (rtl) {
1747                 rtl8366rb_switch_cleanup(rtl);
1748                 rtl8366rb_debugfs_remove(rtl);
1749                 platform_set_drvdata(pdev, NULL);
1750                 rtl8366_smi_cleanup(&rtl->smi);
1751                 kfree(rtl);
1752         }
1753
1754         return 0;
1755 }
1756
1757 static struct platform_driver rtl8366rb_driver = {
1758         .driver = {
1759                 .name           = RTL8366RB_DRIVER_NAME,
1760                 .owner          = THIS_MODULE,
1761         },
1762         .probe          = rtl8366rb_probe,
1763         .remove         = __devexit_p(rtl8366rb_remove),
1764 };
1765
1766 static int __init rtl8366rb_module_init(void)
1767 {
1768         int ret;
1769         ret = platform_driver_register(&rtl8366rb_driver);
1770         if (ret)
1771                 return ret;
1772
1773         ret = phy_driver_register(&rtl8366rb_phy_driver);
1774         if (ret)
1775                 goto err_platform_unregister;
1776
1777         return 0;
1778
1779  err_platform_unregister:
1780         platform_driver_unregister(&rtl8366rb_driver);
1781         return ret;
1782 }
1783 module_init(rtl8366rb_module_init);
1784
1785 static void __exit rtl8366rb_module_exit(void)
1786 {
1787         phy_driver_unregister(&rtl8366rb_phy_driver);
1788         platform_driver_unregister(&rtl8366rb_driver);
1789 }
1790 module_exit(rtl8366rb_module_exit);
1791
1792 MODULE_DESCRIPTION(RTL8366S_DRIVER_DESC);
1793 MODULE_VERSION(RTL8366S_DRIVER_VER);
1794 MODULE_AUTHOR("Gabor Juhos <juhosg@openwrt.org>");
1795 MODULE_AUTHOR("Antti Seppälä <a.seppala@gmail.com>");
1796 MODULE_LICENSE("GPL v2");
1797 MODULE_ALIAS("platform:" RTL8366RB_DRIVER_NAME);